Base | Representation |
---|---|
bin | 110110001001… |
… | …1111000110110 |
3 | 1222102111220010 |
4 | 1230103320312 |
5 | 24232034024 |
6 | 2452321050 |
7 | 463223316 |
oct | 154237066 |
9 | 58374803 |
10 | 28393014 |
11 | 15033101 |
12 | 9613186 |
13 | 5b61700 |
14 | 3ab1446 |
15 | 275cb29 |
hex | 1b13e36 |
28393014 has 24 divisors (see below), whose sum is σ = 61492392. Its totient is φ = 8736000.
The previous prime is 28393003. The next prime is 28393031. The reversal of 28393014 is 41039382.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12987 + ... + 15014.
It is an arithmetic number, because the mean of its divisors is an integer number (2562183).
Almost surely, 228393014 is an apocalyptic number.
28393014 is an abundant number, since it is smaller than the sum of its proper divisors (33099378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28393014 is a wasteful number, since it uses less digits than its factorization.
28393014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28032 (or 28019 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 28393014 is about 5328.5095477066. The cubic root of 28393014 is about 305.0730417200.
The spelling of 28393014 in words is "twenty-eight million, three hundred ninety-three thousand, fourteen".
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